"I go so far as to say, miss, morehover," proceeded Mr. Cruncher, with a most alarming tendency to hold forth as from a pulpit-"and let my words be took down and took to Mrs. Cruncher through yourself-that wot my opinions respectin' flopping has undergone a change, and that wot I only hope with all my heart as Mrs. Cruncher may be a flopping at the present time."
Here is the piece. If you can't say fornicate can you say copulate or if not that can you say co-habit? If not that would have to say consummate I suppose. Use your own good taste and judgment.